Specifications

AT Command Set for L55 Platform 2003-11-21
Copyright Siemens AG 2003 All Rights Reserved Page 7 of 131
Table 2-2 lists all the supported GSM 07.05 AT commands in alphabetical order, and indicates the
type of command as defined in the ETSI GSM 07.05 standard:
07.05
commands
Function Type of command Page
AT+CMGC Send an SMS command Message sending and writing 60
AT+CMGD Delete an SMS in the SMS memory Message sending and writing 60
AT+CMGF SMS format General configuration 60
AT+CMGL List SMS Message receiving and reading 61
AT+CMGR Read in an SMS Message receiving and reading 61
AT+CMGS Send an SMS Message sending and writing 62
AT+CMGW Write an SMS to the SMS memory Message sending and writing 62
AT+CMSS Send an SMS from the SMS memory Message sending and writing 63
AT+CNMA Acknowledgment of a short message
directly output
Message receiving and reading 63
AT+CNMI Display new incoming SMS Message receiving and reading 64
AT+CPMS Preferred SMS message storage General configuration 66
AT+CSCA Address of the SMS service center Message configuration 67
AT+CSCB Select cell broadcast messages Message configuration 67
AT+CSMS Selection of message service General configuration 68
Table 2-2: Supported GSM 07.05 commands
Table 2-3 lists all the supported Siemens-specific AT commands in alphabetical order:
Command Function Page
AT+GCAP Request Capabilities List 88
AT+IPR Fixed DTE rate 88
Table 2-3: Supported commands according to ITU-T Recommendation V.25 ter